[REVIEW PATCH 0/2] Two tuner-core patches fixing afc/signal bugs

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I noticed that the afc and signal values returned by VIDIOC_G_TUNER were
completely wrong in ivtv. I tracked this down to bugs in tda9887 and tuner-simple
(the afc and rf_strength ops are only valid when in radio mode, not when in TV
mode) and limitations in the get_afc/signal analog_demod_ops prototypes that
made it impossible to update these values for specific tuner modes only.

Both are fixed and ivtv is now working again, at least for TV. The radio
signal strength detection is still broken, at least for the FM1216ME_MK3 tuner.

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